Concordance of sleep and pain outcomes of diverse interventions: an umbrella review.

PLoS One · 2012 · PMC3398909 · PMID 22815856

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nominally significantno p-value reported

The experimental drug also tended to worsen pain versus the control in 17/20 pairs, and the difference in pain between experimental and control treatment was nominally significant in 3 cases.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.